Display screen or portion thereof with an animated graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with ananimated graphical user interface showing the first image in thesequence.

FIG. 2 is the second image in the sequence.

FIG. 3 is the third image in the sequence.

FIG. 4 is the fourth image in the sequence.

FIG. 5 is the fifth image in the sequence.

FIG. 6 is the sixth image in the sequence.

FIG. 7 is the seventh image in the sequence; and,

FIG. 8 is the eighth image in the sequence.

The broken line showing of the display screen is included for thepurpose of illustrating environment and forms no part of the claimeddesign.

The appearance of the first embodiment of the image transitionssequentially between the images shown in FIGS. 1 through 8. The processor period in which one image transitions to another form no part of theclaimed design.

CLAIM The ornamental design for a display screen or portion thereof with an animated graphical user interface, as shown and described. 